JPS63178267U - - Google Patents
Info
- Publication number
- JPS63178267U JPS63178267U JP1987070304U JP7030487U JPS63178267U JP S63178267 U JPS63178267 U JP S63178267U JP 1987070304 U JP1987070304 U JP 1987070304U JP 7030487 U JP7030487 U JP 7030487U JP S63178267 U JPS63178267 U JP S63178267U
- Authority
- JP
- Japan
- Prior art keywords
- control device
- induction motor
- phase induction
- signal
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006698 induction Effects 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Control Of Ac Motors In General (AREA)
- Stopping Of Electric Motors (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987070304U JP2502356Y2 (ja) | 1987-05-11 | 1987-05-11 | 交流エレベ−タの制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987070304U JP2502356Y2 (ja) | 1987-05-11 | 1987-05-11 | 交流エレベ−タの制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63178267U true JPS63178267U (it) | 1988-11-18 |
JP2502356Y2 JP2502356Y2 (ja) | 1996-06-19 |
Family
ID=30911822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987070304U Expired - Lifetime JP2502356Y2 (ja) | 1987-05-11 | 1987-05-11 | 交流エレベ−タの制御装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2502356Y2 (it) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57117477A (en) * | 1981-01-09 | 1982-07-21 | Hitachi Ltd | Controller for speed of alternating current elevator |
-
1987
- 1987-05-11 JP JP1987070304U patent/JP2502356Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57117477A (en) * | 1981-01-09 | 1982-07-21 | Hitachi Ltd | Controller for speed of alternating current elevator |
Also Published As
Publication number | Publication date |
---|---|
JP2502356Y2 (ja) | 1996-06-19 |
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